Well, I'll tell ya what. After a couple days of trying everything I can think of and comparing it to what I was used to with 10.1.5 my first impression is this: Its a nice upgrade and I'm glad I bought it. The new features with Sherlock, Mail and all the other little things are real welcome. My mixed feelings about it are that its performance is, well, not really that noticeable. A few tweaks here and there, but for the most part it isn't really much faster on my system, and it isn't any more stable (in fact less so, I'm thinking). And to be honest, it seems a bit buggy.<br><br>Now, I know that third-party software is expected to have a few glitches until they release updates, but I'm also talking about the built-in stuff. Earlier I mentioned problems with help viewer and preview. Now I can no longer even open help viewer from the Finder. I've even run Diskwarrior and examined things that I've installed but I can't quite figure that out. I can go into the library folder and open it directly, but it is still unstable and crashes when I use it. Preview has the nice new features of loading multipage .pdfs with thumbnails, but holy cow is it slow trying to build those thumbnails at any size. I've turned the thumbnail feature off and it is still slower than in 10.1.<br><br>Additionally the new Sherlock is loads of fun, but still seems a bit unstable too. Earlier when playing with some of the features I got the 'spinning pinwheel' again until I just had to force quit.<br><br>So, in conclusion (for now)... it DOES provide fun and important new features (haven't checked out the important ones quite as much) and that alone makes it worth it. However, it has also REALLY been hyped over several months now, yet it still seems a bit buggy and I don't really see much of a difference in speed/performance/stability on a PBG4.<br><br>

Trog, how much ram do you have in that? What are the specs of that PBG4?<br><br>I had 6C115 on my G4/500 with 1GB ram/ATI Radeon 8500 64MB and it ran great! I found no "bugs" as you suggested, the speed was better than 10.1.5 (and of course I was able to utilize Quartz Extreme).<br><br>ok..Help viewer wouldn't open up for me..got the spinning beach ball, but that is actually the very first time I have opened it up since OSX came out almost 2 years ago...so I won't miss that.<br><br>Preview loads thumbnails for me just fine. Not slow at all.<br><br>What else has caused instability there? Surely you mean more than these 2 apps? Post all what you have found so that others can see if they get the same thing, and then if not, you can see if it's your system.<br><br>And if you do find a bug or problem, be specific so that we can repeat it on our macs if we can.

Also, how did you do the installation, Trog? I'm planning to take the Archive and Install approach. Is that what you did?<br><br>Great wits are sure to madness near allied.--John Dryden, "Absalom and Achitophel"

I'm installing right now, and took the archive and install option, along with moving the users and applications folders option. When the installation begins, you're told that it's going to take over an hour. Bu I'm almost done and so far it's been about 15 minutes.<br><br>I'm typing on my iMac. Good old 9.2.2!<br><br>Great wits are sure to madness near allied.--John Dryden, "Absalom and Achitophel"

Let me just say that I was being as critical as possible in that last post. As usual Apple has made a great product, but when you're used to great things it makes it easy to spot details in perfection. For the most part the system works just fine. My copy for our laboratory should I arrive today and I will be installing that on a different Mac soon.<br><br>Currently, I'm using a rev B PBG4 667/48/1GB RAM/16MB RADEON.<br>I wiped my disk with the disk utility on the install CD. So, I started with a completely clean volume.<br><br>I don't doubt that other (better graphics) systems see more of a performance change than I. They did say that 32 MB was recommended for Quartz acceleration, but the multithreading and some of the other things were supposed to speed things up a bit across the board. Maybe there is a difference, I just can't say its palpable for me.<br><br>OSXaddict, about the application instabilities. Yes, there are a number of third party apps that either don't work at all (e.g. Endnote 6) and others tend to crash easier or certain functions don't work properly (there's a list somewhere...). But that is to be expected and will be fixed by watching Versiontracker. HelpViewer, Sherlock and Mail have all unexpectedly quit on me at least once in the past two days, while I can't say this ever happened to me in 10.1.5. My "problem" with Preview is not stability but speed only. I've often liked opening science journal articles in .pdf format in Preview rather than Acrobat because it is so quick, but drawing the images is slower than it was in 10.1.5, even without thumbnails.<br><br>I have visitors in town for the weekend, therefore no playing for me until monday. So, if I find fixes or other issues I'll post them then. I'd be very interested in hearing everyone else's experiences, especially if they load it on a PB.<br><br>

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